On Thu, 13 Feb 2020 12:20:58 +0100, Takashi Iwai wrote:
The UAC2 Effect Unit Descriptor has a slightly different definition from other similar ones like Processing Unit or Extension Unit. Define it here so that it can be used in USB-audio driver in a later patch.
Signed-off-by: Takashi Iwai tiwai@suse.de
include/linux/usb/audio-v2.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index ba4b3e3327ff..cb9900b34b67 100644 --- a/include/linux/usb/audio-v2.h +++ b/include/linux/usb/audio-v2.h @@ -156,6 +156,18 @@ struct uac2_feature_unit_descriptor { __u8 bmaControls[0]; /* variable length */ } __attribute__((packed));
+/* 4.7.2.10 Effect Unit Descriptor */
+struct uac2_effect_unit_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubtype;
- __u8 bUnitID;
- __le16 wEffectType;
- __u8 bSourceID;
- __u8 bmaControls[]; /* variable length */
+} __attribute__((packed));
/* 4.9.2 Class-Specific AS Interface Descriptor */
struct uac2_as_header_descriptor {
Greg, I suppose you are OK with this addition?
thanks,
Takashi